A group of teens gathers for the 5th death anniversary of Lyla who drowned on an island on her 15th birthday. Everyone has their own connection with Lyla, and after a mysterious murder of Mac, everyone who is stuck on the island starts to dig up their complex relationship with Lyla. Slowly, it is revealed that everyone has some connection to her death, and along with every death that’s going to happen on this island. Everyone work together to stop this murderer, or else no one will ever leave this island alive. (Source: Viu)